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1071288-AN2-F 09/03/12
Install the Support Framework
1. Construct the support framework as shown in the above diagram.
The 2 x 2 should be offset 30 mm from the edges of the 2 x 4’s to support the
pressure balancing assembly at the correct depth.
2. Install the support framework under the pressure balancing loop(s) as
illustrated.
The face of the 2x4’s should be installed flush with the face of the existing
ceiling joists.
Install the Finished Ceiling
1. Install the water-resistant board.
2. Cut out a 229 mm to 235 mm square at the desired installation location.
3. Install the finished ceiling material.
30 mm
Existing
Ceiling
Joist
Existing
Ceiling
Joist
2 x 2
(50 mm x 50 mm)
2 x 4
(50 mm x 100 mm)
2 x 4
50 mm x 100 mm)
368 mm
Typical
Pressure
Balancing
Loop
Existing
Ceiling Joist
2 x 4
(50 mm x 100 mm)
2 x 4
(50 mm x 100 mm)
229mm
2 x 2
(50 mm x 50 mm)
Finished
Ceiling
229 mm -
235 mm
229 mm -
235 mm
57 mm Min
Cutout
Finished Ceiling
Tee
Tee
Nipple
Cutout
229 mm -
235 mm